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Level 108

Acids, Bases & Solutions


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solution
A homogeneous mixture of two or more substances
solvent
A _______ is a substance that can dissolve other substances.
solute
A _______ is a substance that dissolves in a solvent to make a solution.
colloid
A mixture containing small, undissolved particles that do not settle out.
Suspension
A heterogeneous mixture that contains particles much larger that a colloidal suspension
dilute solution
A mixture that has only a little solute dissolved in it.
concentrated solution
A mixture that has a lot of solute dissolved in it.
solubility
A measure of how much solute can dissolve in a given solvent at a given temperature.
saturated solution
A mixture that contains as much dissolved solute as is possible at a given temperature.
unsaturated solution
A mixture that contains less dissolved solute than is possible at a given temperature.
supersaturated solution
A mixture that has more dissolved solute than is predicted by its solubility at a given temperature.
Acid
A compound containing Hydrogen which it will donate in a reaction.
corrosive
The way in which acids react with some metals so as to eat away the metal.
indicator
A compound that changes color in the presence of an acid or a base.
Base
A cleaning product is usually a ACID/BASE?
hydrogen ion
A positively charged ion (H+) formed of a hydrogen atom that has lost its electron.
hydroxide ion
A negatively charged ion made of oxygen and hydrogen (OH-).
pH scale
0 to 14, 7 is neutral
neutralization
a chemical reaction between an acid and a base that takes place in a water solution
salt
An ionic compound made from the neutralization of an acid with a base.
digestion
The process that breaks down complex molecules of food into smaller molecules.
mechanical digestion
The physical process that tears, grinds, and mashes large pieces of food into smaller ones.
chemical digestion
The process that breaks large molecules in food into smaller molecules.